Home / 323,341,286.32-485,004,965.82-90,165,785.68

Finding the Fourth Proportional to 323,341,286.32, 485,004,965.82 and 90,165,785.68

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Solution

The fourth proportional to 323,341,286.32, 485,004,965.82 and 90,165,785.68 is: 135,246,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,341,286.32 : 485,004,965.82 = 90,165,785.68 : x
  2. Step 2: Convert to fraction form
    323,341,286.32/485,004,965.82 = 90,165,785.68/x
  3. Step 3: Cross multiply
    323,341,286.32x = 485,004,965.82 × 90,165,785.68
  4. Step 4: Simplify right side
    323,341,286.32x = 43,730,853,801,861,848
  5. Step 5: Solve for x
    x = 43,730,853,801,861,848/323,341,286.32
  6. Step 6: Final answer
    x = 135,246,736.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.